Slide calculator



FIG. 1 is a perspective view of a slide calculator showing my new design;

FIG. 2 is a top plan view;

FIG. 3 is a front elevational view, the rear elevational view being a mirror image thereof;

FIG. 4 is a bottom plan view; and

FIG. 5 is a right side elevational view, the left side elevational view being a mirror image thereof. 

The ornamental design for slide calculator, as shown and described. 